Cut out my highflow cat, now my car smokes for 2-4 min after start up. smells rich, smoke is white in color and stops once the car is warm.



2 questions



1. is this normal?



2. why is this happening?

that is normal. the cat will get rid of alot of crap out of the exhaust

Yup. I went from regular to Hi-flo and got that...

In my experience, cats will remove an amazing amount of stuff from exhaust. Even an engine that's burning a quart of oil every 250 miles won't smoke if it has a healthy cat on it.

my TII smokes but it has a bad coolant seal https://www.nopistons.com/forums/pub...IR#>/smile.png

Yup. Cat or no cat, I guess antifreeze and water don't burn so good. :P

When did that happen?

When did that happen?[/quote]

when i first started the car i figured all the smoke was the quart of atf i put inside the engine. well i drove the car to ito's shop which is like 10mins away. temp is ok then boom hits the top of the guage the last line. then POP EGI FUSE. i swap in the AC fuse. get approx 1 mile from ito's then POP goes the fuse steal another fuse. get it to ito's check it out. look at the radiator hmmm NO COOLANT! ito hooked up a few vacuum lines i did wrong. i'm so pissed i have zero luck. filled up the water. on the way home temp gauge pegged after a few minutes and **** LOADS of smoke. coolant seal is dead this is the exact same crap my FD did when i bought it. i'm sooo happy right now https://www.nopistons.com/forums/pub...>/rolleyes.gif

When did that happen?[/quote]

when i first started the car i figured all the smoke was the quart of atf i put inside the engine. well i drove the car to ito's shop which is like 10mins away. temp is ok then boom hits the top of the guage the last line. then POP EGI FUSE. i swap in the AC fuse. get approx 1 mile from ito's then POP goes the fuse steal another fuse. get it to ito's check it out. look at the radiator hmmm NO COOLANT! ito hooked up a few vacuum lines i did wrong. i'm so pissed i have zero luck. filled up the water. on the way home temp gauge pegged after a few minutes and **** LOADS of smoke. coolant seal is dead this is the exact same crap my FD did when i bought it. i'm sooo happy right now https://www.nopistons.com/forums/pub...>/rolleyes.gif[/quote]

Yeah, that sounds alot like bad coolant seals. I STILL have to get the parts together for a new motor. I think I'm going to use new rotor housings.

When did that happen?[/quote]

when i first started the car i figured all the smoke was the quart of atf i put inside the engine. well i drove the car to ito's shop which is like 10mins away. temp is ok then boom hits the top of the guage the last line. then POP EGI FUSE. i swap in the AC fuse. get approx 1 mile from ito's then POP goes the fuse steal another fuse. get it to ito's check it out. look at the radiator hmmm NO COOLANT! ito hooked up a few vacuum lines i did wrong. i'm so pissed i have zero luck. filled up the water. on the way home temp gauge pegged after a few minutes and **** LOADS of smoke. coolant seal is dead this is the exact same crap my FD did when i bought it. i'm sooo happy right now https://www.nopistons.com/forums/pub...>/rolleyes.gif[/quote]

Yeah, that sounds alot like bad coolant seals. I STILL have to get the parts together for a new motor. I think I'm going to use new rotor housings.[/quote]

the ONLY good about this jspec is the compression. it pulls like a bat out of hell but also smokes like a bat out of hell :(